Bin



FIG. 1 is a front, perspective view of a bin showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a left side view thereof, the right side view being a mirror image of the left side view.

The features shown in broken lines depict environmental subject matter and form no part of the claimed design. The heavy dashed broken lines, which indicate the boundaries of the claimed design, also form no part of the claimed design. 

The ornamental design for a bin, as shown and described. 